<template>
    <div class="wrapper">
			
			<!-- header部分 -->
			<header>
				<p>确认订单</p>
			</header>
		
			<!-- 订单信息部分 -->
			<div class="order-info">
				<h5>订单配送至：</h5>
				<div class="order-info-address" @click="toUserAddress">
					<p>{{deliveryaddress!=null?deliveryaddress.address:'请选择送货地址'}}</p>
					<i class="fa fa-angle-right"></i>
				</div>
				<p>{{user.userName}} {{user.userSex|sexFilter}} {{user.userId}}</p>
			</div>
			
			<h3>{{business.businessName}}</h3>

			<!-- 订单明细部分 -->
			<ul class="order-detailed">
				<li v-for="item in cartArr">
					<div class="order-detailed-left">
						<img :src="item.food.foodImg">
						<p>{{item.food.foodName}} x {{item.quantity}}</p>
					</div>
					<p>&#165;{{item.food.foodPrice*item.quantity}}</p>
				</li>
			</ul>
			<div class="order-deliveryfee">
				<p>配送费</p>
				<p>&#165;{{business.deliveryPrice}}</p>
			</div>
			
			<!-- 合计部分 -->
			<div class="total">
				<div class="total-left">
					&#165;{{totalPrice}}
				</div>
				<div class="total-right" @click="toPayment">
					去支付
				</div>
			</div>
		</div>	
</template>

<script>
export default {
    name:'Orders',
    data(){
        return {
            businessId:this.$route.query.businessId,
            user:{},
            business:{},
            cartArr:[],
            deliveryaddress:{}
        }
    },
    // 生命周期函数
    created(){
        // 获取到SessionStorage中的User对象
        this.user = this.$getSessionStorage('user');
        // 从getLocalStorage获取到地址
		this.deliveryaddress = this.$getLocalStorage(this.user.userId);

        // 查询当前的商家信息
        this.$axios.post('BusinessController/getBusinessById',this.$qs.stringify({
            businessId:this.businessId
        })).then(response=>{
          this.business  = response.data
        }).catch(error=>{
            console.log(error)
        })

        //查询当前用户所在购物车中的当前商家食品列表
        this.$axios.post('CartController/listCart',this.$qs.stringify({
            userId:this.user.userId,
            businessId:this.businessId
        })).then(response=>{
		  this.cartArr  = response.data
		  console.log(response.data)
        }).catch(error=>{
            console.log(error)
        })
    },
    computed:{
        // 计算总价
        totalPrice(){
            //1.对cartArr进行遍历
            //2.totalPrice=价格*数量
            //3.totalPrice+=this.business.deliveryPrice
			//4. return totalPrice
				let total = 0;
				for(let item of this.cartArr){
					total += item.food.foodPrice*item.quantity;					
				}
				total+=this.business.deliveryPrice
				return total;
        }
    },
    filters:{
        sexFilter(value){
            return value==1?'先生':'女士';
        }
	},
	methods :{
		toUserAddress(){
			this.$router.push({path:'/userAddress',query:{businessId:this.business.businessId}});
			
		},
		toPayment(){
			// 如果没有选择送货的地址不能支付(不能创建订单)
			if(this.deliveryaddress==null){
				alert("请选择送货地址!");
				return
			}
			//创建订单
			//1.通过axios向后台发送请求(创建订单) 参数：用户的id、商家的id、送货地址的daId、总价
			 this.$axios.post('OrdersController/creatOrders',this.$qs.stringify({
            		userId:this.user.userId,
					businessId:this.businessId,
					daId:this.deliveryaddress.daId,
					orderTotal:this.totalPrice
				})).then(response=>{
				//2.如果请求成功就可以使用response.data来接收数据
				let orderId = response.data;
				if(orderId>0){
				//3.跳转页面
					this.$router.push({path:'/payment',query:{orderId:orderId}})
				}else {
					alert('创建订单失败！');
				}
				}).catch(error=>{
					console.log(error)
				})
			
	
		}
	}
}
</script>

<style scoped>
/****************** 总容器 ******************/
.wrapper{
	width: 100%;
	height: 100%;
}

/****************** header部分 ******************/
.wrapper header{
	width: 100%;
	height: 12vw;
	background-color: #0097FF;
	color: #fff;
	font-size: 4.8vw;
	
	position: fixed;
	left: 0;
	top: 0;
	z-index: 1000;
	
	display: flex;
	justify-content: center;
	align-items: center;
}

/****************** 订单信息部分 ******************/
.wrapper .order-info{
	/*注意这里，不设置高，靠内容撑开。因为地址有可能折行*/
	width: 100%;
	margin-top: 12vw;
	background-color: #0097EF;
	box-sizing: border-box;
	padding: 2vw;
	color: #fff;
}
.wrapper .order-info h5{
	font-size: 3vw;
	font-weight: 300;
}
.wrapper .order-info .order-info-address{
	width: 100%;
	display: flex;
	justify-content: space-between;
	align-items: center;
	
	font-weight: 700;
	user-select: none;
	cursor: pointer;
	margin: 1vw 0;
}
.wrapper .order-info .order-info-address p{
	width: 90%;
	font-size: 5vw;
}
.wrapper .order-info .order-info-address i{
	font-size: 6vw;
}
.wrapper .order-info p{
	font-size: 3vw;
}

.wrapper h3{
	box-sizing: border-box;
	padding: 3vw;
	font-size: 4vw;
	color: #666;
	border-bottom: solid 1px #DDD;
}

/****************** 订单明细部分 ******************/
.wrapper .order-detailed{
	width: 100%;
}
.wrapper .order-detailed li{
	width: 100%;
	height: 16vw;
	box-sizing: border-box;
	padding: 3vw;
	color: #666;
	
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.wrapper .order-detailed li .order-detailed-left{
	display: flex;
	align-items: center;
}
.wrapper .order-detailed li .order-detailed-left img{
	width: 10vw;
	height: 10vw;
}
.wrapper .order-detailed li .order-detailed-left p{
	font-size: 3.5vw;
	margin-left: 3vw;
}
.wrapper .order-detailed li p{
	font-size: 3.5vw;
}
.wrapper .order-deliveryfee{
	width: 100%;
	height: 16vw;
	box-sizing: border-box;
	padding: 3vw;
	color: #666;
	display: flex;
	justify-content: space-between;
	align-items: center;
	font-size: 3.5vw;
}

/****************** 订单合计部分 ******************/
.wrapper .total{
	width: 100%;
	height: 14vw;
	
	position: fixed;
	left: 0;
	bottom: 0;
	
	display: flex;
}
.wrapper .total .total-left{
	flex: 2;
	background-color: #505051;
	color: #fff;
	font-size: 4.5vw;
	font-weight: 700;
	user-select: none;
	
	display: flex;
	justify-content: center;
	align-items: center;
}
.wrapper .total .total-right{
	flex: 1;
	background-color: #38CA73;
	color: #fff;
	font-size: 4.5vw;
	font-weight: 700;
	user-select: none;
	cursor: pointer;
	
	display: flex;
	justify-content: center;
	align-items: center;
}
</style>
